Medical Definition of Sternum. Sternum: The long flat bone in the upper middle of the front of the chest. The sternum articulates (comes together) with the cartilages of the first seven ribs and with the clavicle (collarbone) on either side.
Bowen disease was first described in the medical literature by a physician named JT Bowen in 1912. Bowen disease is also known as squamous cell carcinoma in situ, and is generally considered an early, noninvasive form of intraepidermal squamous cell carcinoma.esions are usually not painful or may not be associated with any symptoms (asymptomatic). In most cases, treatment is highly successful. Bowen disease is considered a pre-cancerous condition, although the risk of developing skin cancer is less than 10 percent. The disorder usually affects older adults.
Also, teeth whiteners give new meaning to the phrase beauty is pain. They are notorious for causing tooth sensitivity. It's usually transient, but can be long-term where it lasts for days, if not weeks, Sung says. How sensitive is too sensitive? Sung offers up a few rules of thumb: If pain lasts for only a few seconds, it's not really an issue. However, if your teeth are sensitive to hot foods and beverages (usually a sign of nerve problems), or if the pain lasts more than a minute or is spontaneous, you've earned yourself a trip to the dentist.